Cortana is Windows Phone’s answer to Siri and Google Now : A voice-activated artificially intelligent personal assistant with an only slightly off-putting robot voice. Technically , she’s still in beta on Windows 8.1, but PhoneBuff is here to show us 50 things Cortana can already do . Read more… 
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50 Things Cortana Can Do Right Now (Compared To Siri and Google Now)
 Answering “I need to hide a body” used to be one of Siri’s little jokes. She used to give suggestions. She doesn’t anymore. Why? We can’t be sure, but it miiight have something to do with an accused murderer who asked the question apparently in earnest . Read more… 
 Windows Phone 8.1 is here , and with it comes not only with a notification center(!) but a brand new Halo-flavored voice assistant. But how does Cortana shape up against her competitors, who have a year or two of experience on her? Surprisingly well. Read more…